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1 янв 1854 г. - The Two Giants of Telegraphing

Описание:

At this point in time there were two giant companies in telegraphing, the New York printing telegraph company and the mississipi valley printing telegraph company.

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Morse Code and the Telegraph

ByCallum Walker
6 сен 2018
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1 янв 1854 г.
Сейчас
~ 171 г назад
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